vardata_binpacking.h File Reference

Detailed Description

Variable data containing the ids of constraints in which the variable appears.

Author

Timo Berthold

Stefan Heinz

This file implements the handling of the variable data which is attached to each file. See SCIP_VarData and Pricing new variables.

Definition in file vardata_binpacking.h.

#include "scip/scip.h"

Go to the source code of this file.

Functions
SCIP_RETCODE	SCIPvardataCreateBinpacking (SCIP *scip, SCIP_VARDATA **vardata, int *consids, int nconss)
int	SCIPvardataGetNConsids (SCIP_VARDATA *vardata)
int *	SCIPvardataGetConsids (SCIP_VARDATA *vardata)
SCIP_RETCODE	SCIPcreateVarBinpacking (SCIP *scip, SCIP_VAR **var, const char *name, SCIP_Real obj, SCIP_Bool initial, SCIP_Bool removable, SCIP_VARDATA *vardata)
void	SCIPvardataPrint (SCIP *scip, SCIP_VARDATA *vardata, FILE *file)

Function Documentation

SCIPvardataCreateBinpacking()

SCIP_RETCODE SCIPvardataCreateBinpacking	(	SCIP *	scip,
		SCIP_VARDATA **	vardata,
		int *	consids,
		int	nconsids
	)

create variable data

Parameters

scip	SCIP data structure
vardata	pointer to vardata
consids	array of constraints ids
nconsids	number of constraints

Definition at line 112 of file vardata_binpacking.c.

References SCIP_CALL, SCIP_OKAY, and vardataCreate().

Referenced by createInitialColumns(), and doPricing().

SCIPvardataGetNConsids()

int SCIPvardataGetNConsids

(

SCIP_VARDATA *

vardata

)

get number of constraints

Parameters

vardata

variable data

Definition at line 125 of file vardata_binpacking.c.

Referenced by addFixedVarsConss(), checkVariable(), consdataCheck(), and SCIP_DECL_BRANCHEXECLP().

SCIPvardataGetConsids()

int * SCIPvardataGetConsids

(

SCIP_VARDATA *

vardata

)

returns sorted constraint id array

Parameters

vardata

variable data

Definition at line 133 of file vardata_binpacking.c.

Referenced by addFixedVarsConss(), checkVariable(), consdataCheck(), and SCIP_DECL_BRANCHEXECLP().

SCIPcreateVarBinpacking()

SCIP_RETCODE SCIPcreateVarBinpacking	(	SCIP *	scip,
		SCIP_VAR **	var,
		const char *	name,
		SCIP_Real	obj,
		SCIP_Bool	initial,
		SCIP_Bool	removable,
		SCIP_VARDATA *	vardata
	)

creates variable

Parameters

scip	SCIP data structure
var	pointer to variable object
name	name of variable, or NULL for automatic name creation
obj	objective function value
initial	should var's column be present in the initial root LP?
removable	is var's column removable from the LP (due to aging or cleanup)?
vardata	user data for this specific variable

Definition at line 151 of file vardata_binpacking.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIP_VARTYPE_BINARY, SCIPcreateVarBasic(), SCIPdebug, SCIPprintVar(), SCIPvarMarkDeletable(), SCIPvarSetData(), SCIPvarSetDeltransData(), SCIPvarSetInitial(), and SCIPvarSetRemovable().

Referenced by createInitialColumns(), and doPricing().

SCIPvardataPrint()

void SCIPvardataPrint	(	SCIP *	scip,
		SCIP_VARDATA *	vardata,
		FILE *	file
	)

prints vardata to file stream

Parameters

scip	SCIP data structure
vardata	variable data
file	the text file to store the information into

Definition at line 184 of file vardata_binpacking.c.

References NULL, SCIPgetProbData(), SCIPinfoMessage(), and SCIPprobdataGetIds().

Referenced by consdataCheck().